How to treat virus disease of round pepper effectively
Viral diseases are spread mainly through the infection of worms or wounds caused by friction.
Prevention and control measures. ⑴ do a good job of insecticidal work: imidacloprid, Yuanjing, Aktai and other agents can be used for foliar spraying, once every 7-10 days to prevent the spread of virus diseases. At the same time, insect prevention nets should be set up at the vents to reduce insect pests. ⑵ spraying nutrient solution: foliar spraying Fengshou No. 1 800x mixed with 0.1% zinc sulfate (1 pair of 3 sprayers), spraying once every 7 days or so, can effectively prevent the infection of virus disease. ⑶ spraying antiviral agents: can be sprayed with Shiduqing, Viroqing, Zhixianling, Shikeduke, Kangdufeng 2 and other anti-virus agents.
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The technique of transplanting lotus root with terminal bud
1. Raising seedlings with terminal bud: the ratio of seedling bed to transplanting paddy field is 1:10. In the first and middle of April, 1800 kg of rotten organic fertilizer was applied to each mu of seedling bed, which was leveled after turning 25 cm deep, and was surrounded by a ridge of 30 cm high and 25 cm wide. Select the fat, sturdy, disease-free and intact lotus root, cut off the terminal bud and gently press it into the seedling bed according to the density of 1 plant in 8 square centimeters, the tip of the bud is exposed to the bed, then pour 2-3 cm deep water into the bed, and then use bamboo pieces to form a 1-meter-high arch frame, covered with plastic film, and the surrounding pressure is tightly closed. Three days later, in the seedling bed
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Occurrence regularity and Control techniques of Sweet (Hot) Pepper virus Disease
Virus disease is the main disease in the production of sweet (spicy) pepper. The early onset affects the normal growth of the plant, forming the shape of "little old man"; the late onset of the disease forms flowers, leaves, flowers, faces and fruits, which affects photosynthesis and its commerciality, often resulting in greater economic losses. In order to help farmers solve this problem, Tunliu County has preliminarily explored some effective comprehensive prevention and control measures after three years of research and experimental demonstration. The details are as follows: first, symptoms: the main symptoms are mosaic, deformity and clusters, stripe necrosis and so on. Mosaic: diseased leaf
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